diff --git a/react-ui/package.json b/react-ui/package.json
index e37f0ea..6366519 100644
--- a/react-ui/package.json
+++ b/react-ui/package.json
@@ -13,7 +13,7 @@
     "@types/react-dom": "^16.9.8",
     "autoprefixer": "^9",
     "node-sass": "^5.0.0",
-    "postcss": "^7",
+    "postcss": "^8",
     "postcss-cli": "^8.3.1",
     "postcss-loader": "^4.1.0",
     "react": "^17.0.1",
diff --git a/react-ui/yarn.lock b/react-ui/yarn.lock
index 36de954..c4dd3d6 100644
--- a/react-ui/yarn.lock
+++ b/react-ui/yarn.lock
@@ -4987,10 +4987,10 @@ color@^3.0.0, color@^3.1.3:
     color-convert "^1.9.1"
     color-string "^1.5.4"
 
-colorette@^1.2.1:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/colorette/-/colorette-1.2.1.tgz#4d0b921325c14faf92633086a536db6e89564b1b"
-  integrity sha512-puCDz0CzydiSYOrnXpz/PKd69zRrribezjtE9yd4zvytoRc8+RY/KJPvtPFKZS3E3wP6neGyMe0vOTlHO5L3Pw==
+colorette@^1.2.1, colorette@^1.2.2:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/colorette/-/colorette-1.2.2.tgz#cbcc79d5e99caea2dbf10eb3a26fd8b3e6acfa94"
+  integrity sha512-MKGMzyfeuutC/ZJ1cba9NqcNpfeqMUcYmyF1ZFY6/Cn7CNSAKx6a+s48sqLqyAiZuaP2TcqMhoo+dlwFnVxT9w==
 
 colors@^1.1.2:
   version "1.4.0"
@@ -10144,15 +10144,10 @@ nan@^2.12.1, nan@^2.13.2:
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.2.tgz#f5376400695168f4cc694ac9393d0c9585eeea19"
   integrity sha512-M2ufzIiINKCuDfBSAUr1vWQ+vuVcA9kqx8JJUsbQi6yf1uGRyb7HfpdfUr5qLXf3B/t8dPvcjhKMmlfnP47EzQ==
 
-nanoid@^3.1.18:
-  version "3.1.18"
-  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.1.18.tgz#0680db22ab01c372e89209f5d18283d98de3e96d"
-  integrity sha512-rndlDjbbHbcV3xi+R2fpJ+PbGMdfBxz5v1fATIQFq0DP64FsicQdwnKLy47K4kZHdRpmQXtz24eGsxQqamzYTA==
-
-nanoid@^3.1.20:
-  version "3.1.20"
-  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.1.20.tgz#badc263c6b1dcf14b71efaa85f6ab4c1d6cfc788"
-  integrity sha512-a1cQNyczgKbLX9jwbS/+d7W8fX/RfgYR7lVWwWOGIPNgK2m0MWvrGF6/m4kk6U3QcFMnZf3RIhL0v2Jgh/0Uxw==
+nanoid@^3.1.22:
+  version "3.1.23"
+  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.1.23.tgz#f744086ce7c2bc47ee0a8472574d5c78e4183a81"
+  integrity sha512-FiB0kzdP0FFVGDKlRLEQ1BgDzU87dy5NnzjeW9YZNt+/c3+q82EQDUwniSAUxp/F0gFNI1ZhKU1FqYsMuqZVnw==
 
 nanomatch@^1.2.9:
   version "1.2.13"
@@ -11848,23 +11843,13 @@ postcss@^7, postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.14, postcss@^7.0.17, po
     source-map "^0.6.1"
     supports-color "^6.1.0"
 
-postcss@^8.1.0:
-  version "8.1.9"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.1.9.tgz#20ff4b598a6f5015c5f7fe524b8ed5313d7ecade"
-  integrity sha512-oWuBpEl1meaMKkQXn0ic78TUrgsMvrAZLE/6ZY0H3LTteq2O3L8PGWwMbPLctpksTJIHjQeossMUMNQW7qRIHQ==
-  dependencies:
-    colorette "^1.2.1"
-    nanoid "^3.1.18"
-    source-map "^0.6.1"
-    vfile-location "^3.2.0"
-
-postcss@^8.2.1:
-  version "8.2.4"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.2.4.tgz#20a98a39cf303d15129c2865a9ec37eda0031d04"
-  integrity sha512-kRFftRoExRVXZlwUuay9iC824qmXPcQQVzAjbCCgjpXnkdMCJYBu2gTwAaFBzv8ewND6O8xFb3aELmEkh9zTzg==
+postcss@^8, postcss@^8.1.0, postcss@^8.2.1:
+  version "8.2.10"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.2.10.tgz#ca7a042aa8aff494b334d0ff3e9e77079f6f702b"
+  integrity sha512-b/h7CPV7QEdrqIxtAf2j31U5ef05uBDuvoXv6L51Q4rcS1jdlXAVKJv+atCFdUXYl9dyTHGyoMzIepwowRJjFw==
   dependencies:
-    colorette "^1.2.1"
-    nanoid "^3.1.20"
+    colorette "^1.2.2"
+    nanoid "^3.1.22"
     source-map "^0.6.1"
 
 prelude-ls@^1.2.1:
@@ -14922,11 +14907,6 @@ verror@1.10.0:
     core-util-is "1.0.2"
     extsprintf "^1.2.0"
 
-vfile-location@^3.2.0:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/vfile-location/-/vfile-location-3.2.0.tgz#d8e41fbcbd406063669ebf6c33d56ae8721d0f3c"
-  integrity sha512-aLEIZKv/oxuCDZ8lkJGhuhztf/BW4M+iHdCwglA/eWc+vtuRFJj8EtgceYFX4LRjOhCAAiNHsKGssC6onJ+jbA==
-
 vm-browserify@^1.0.1:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/vm-browserify/-/vm-browserify-1.1.2.tgz#78641c488b8e6ca91a75f511e7a3b32a86e5dda0"